Ophthalmology The Most convenient form of a cross cylinder is a combination of – A –0.5 Diopter sphere with +1 Diopter Cylinder B +0.5 Diopter sphere with –1 Diopter Cylinder C +0.25 Diopter sphere with –0.5 Diopter Cylinder D –0.25 Diopter sphere with +0.5 Diopter Cylinder 💡 Explanation The Most convenient form of a cross cylinder is a combination of – ✓ Correct Answer: A. –0.5 Diopter sphere with +1 Diopter Cylinder